SeniorQAEngineer

BidMachine Exchange – a fast-growing global programmatic exchange built for the future of in-app advertising. BidMachine operates with a strong US foundation and an international presence, with teams across Warsaw, Barcelona, Parkland (FL), and remote experts around the world. We combine deep AdTech expertise, proprietary technology, and a data-driven mindset to deliver transparency, performance, and efficiency in the mobile advertising ecosystem. Why BidMachine? At BidMachine, we are building more than an exchange — we are shaping the infrastructure that powers fair, efficient, and scalable in-app programmatic advertising. Our mission is to create a high-performance marketplace where publishers maximize value and advertisers access premium inventory with full transparency and control. We are proud of our technology, our ambitious vision, and our globally distributed team of talented professionals who continuously raise the bar in AdTech. Here’s what we value, and what we hope you do too: Ownership & Accountability We move fast, take responsibility, and think like builders. Every team member has a direct impact on product growth and market success. Data-Informed Excellence We leverage data to make smarter decisions, optimize performance, and build scalable solutions that deliver measurable results. Innovation & Technical Depth We solve complex programmatic challenges with cutting-edge technology and a deep understanding of the ecosystem. Global Collaboration We work across cultures, time zones, and disciplines — united by shared goals and high standards. Ambition & Impact We are here to build something significant — a best-in-class exchange that competes with the strongest players in the market. The team is looking for a QA Engineer in Barcelona. Responsibilities: End-to-End Mobile Ad Testing: Conduct comprehensive testing of mobile ad formats (banner ads, interstitials, rewarded video ads, native ads) to ensure correct display, functionality, and user experience ac